USPS Finance - Priority of Deductions
Effective Pay Period 01-12 (Pay Date
January 6, 2012), the Postal Service™ implemented a revised priority of
deduction schedule. Gross/net pay may not be sufficient to cover all
mandatory, voluntary, and involuntary deductions. When attempting to
determine why a deduction was not withheld, the priority of deductions needs
to be taken into account. The following chart shows the order in which
deductions are to be withheld:
Source: Postal Bulletin 22330 - 2/09/2012